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想找現(xiàn)貨2FRM6B36-33/25QRV力士樂節(jié)流閥 
REXROTH節(jié)流閥的性能要求是：
  進口力士樂節(jié)流閥
·流量調(diào)節(jié)范圍大，流量一壓差變化平滑；
·內(nèi)泄漏量小，若有外泄漏油口，外泄漏量也要小；
·調(diào)節(jié)力矩小，動作靈敏。
REXROTH總daili,力士樂節(jié)流閥的特點
1、構(gòu)造較簡單，便于制造和維修，成本低。 2、調(diào)節(jié)精度不高，不能作調(diào)節(jié)使用。
3、密封面易沖蝕，不能作切斷介質(zhì)用。
4、密封性較差。  REXROTH節(jié)流閥是通過改變節(jié)流截面或節(jié)流長度以控制流體流量的閥門。將節(jié)流閥和單向閥并聯(lián)則可組合成單向節(jié)流閥。力士樂REXROTH節(jié)流閥和單向節(jié)流閥是簡易的流量控制閥，在定量泵液壓系統(tǒng)中，德國力士樂節(jié)流閥和溢流閥配合，可組成三種節(jié)流調(diào)速系統(tǒng)，即進油路節(jié)流調(diào)速系統(tǒng)、回油路節(jié)流調(diào)速系統(tǒng)和旁路節(jié)流調(diào)速系統(tǒng)。REXROTH節(jié)流閥沒有流量負反饋功能，不能補償由負載變化所造成的速度不穩(wěn)定，一般僅用于負載變化不大或?qū)λ俣确€(wěn)定性要求不高的場合。
想找現(xiàn)貨2FRM6B36-33/25QRV力士樂節(jié)流閥   力士樂REXROTH節(jié)流閥的安裝與維護應(yīng)注意以下事項：
該閥經(jīng)常需要操作，因此應(yīng)安裝在易于方便操作的位置上。
安裝時要注意介質(zhì)方向與閥體所標箭頭方向保持*。
節(jié)流口堵塞原因：
1、油液中的機械雜質(zhì)或因氧化析出的膠質(zhì)、瀝青、碳渣等污物堆積在節(jié)流縫隙處。
2、由于油液老化或受到擠壓后產(chǎn)生帶電的極化分子，而節(jié)流縫隙的金屬表面上存在電位差，故極化分子被吸附到縫隙表面，形成牢固的邊界吸附層，吸附層厚度一般為5~8微米，因而影響了節(jié)流縫隙的大小。以上堆積、吸附物增長到一定厚度時，會被液流沖刷掉，隨后又重新附在閥口上。這樣周而復(fù)始，就形成了流量的脈動。
3、閥口壓差較大時，因閥口溫度高，液體受擠壓的程度增強，金屬表面也更易受摩擦作用而形成電位差，因此壓差大時容易產(chǎn)生堵塞現(xiàn)象。
 
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